Interstellar ⁶⁰Fe in Antarctica

Physical Review Letters 123, 072701 (2019),

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.123.072701

⁶⁰Fe deposition during the late Pleistocene and the Holocene echoes past supernova activity

Proceedings of the National Academy of Sciences (2020)

https://www.pnas.org/content/early/2020/08/19/1916769117

Selected articles about the discovery of 60Fe:

Antarctica:

https://www.nytimes.com/2019/08/19/science/antarctica-snow-supernova.html

https://www.theatlantic.com/science/archive/2019/08/antarctica-interstellar-dust-supernova/596611/

https://www.newscientist.com/article/2213362-radioactive-dust-in-antarctic-ice-could-help-map-interstellar-clouds/

https://www.scientificamerican.com/article/space-dust-from-ancient-supernova-found-hiding-in-antarctica/

Sediments:

https://www.sciencealert.com/earth-might-be-moving-through-the-debris-of-ancient-supernovae

https://www.inverse.com/science/ancient-supernova-in-the-deep-sea